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No barlow lens

Tycho and Clavius

No barlow lens

Copernicus - Eratosthenes

No barlow lens

Taruntius (upper center), Messier(lower center with ray to the left), Theophillus(extr.lower left)

No barlow lens

Agrippa, Godin, Triesnecker(center)

No barlow lens

 

No barlow lens

 

No barlow lens